Hi , I've signed up to the forum for one particular problem , but I'm sure that I'll be using it again - there's lots of interesting stuff here!
I'm making a control board with footswitches to send commands to a laptop music program. ( a looper). I've hacked an old usb keyboard and am fitting momentary switches for the footswitches to replicate keystrokes, but there are ten loops available and I'd like to have the one that's active with a lit LED to indicate its status. I have some DPDT momentary switches and I thought that half the switch could be the switch for the keystroke and the other half light the LED for that loop. so I need to find a chip that had say 12 pins a side so that a momentary voltage on pin 1 would switch a 6 volt circuit through to pin 24, then if pin 2 had a voltage applied it would switch the 6 volts to pin 23 etc .... so basically a relay that latches on if a momentary voltage is applied , then switches off if the trigger voltage is applied to a different switch which itself becomes live.
It seems the kind of thing that should be available in chip form , or maybe I'm being optimistic .
Any help appreciated.
I'm making a control board with footswitches to send commands to a laptop music program. ( a looper). I've hacked an old usb keyboard and am fitting momentary switches for the footswitches to replicate keystrokes, but there are ten loops available and I'd like to have the one that's active with a lit LED to indicate its status. I have some DPDT momentary switches and I thought that half the switch could be the switch for the keystroke and the other half light the LED for that loop. so I need to find a chip that had say 12 pins a side so that a momentary voltage on pin 1 would switch a 6 volt circuit through to pin 24, then if pin 2 had a voltage applied it would switch the 6 volts to pin 23 etc .... so basically a relay that latches on if a momentary voltage is applied , then switches off if the trigger voltage is applied to a different switch which itself becomes live.
It seems the kind of thing that should be available in chip form , or maybe I'm being optimistic .
Any help appreciated.